Where does “unreasonableness” come from?

Unreasonableness derives from English unreasonable, itself from English reason and the Latin suffix -abilis meaning "capable of," tracing back through Latin unus and Proto-Indo-European óynos for "one" and ano- for "without."

unreasonableness (English): The state of being unreasonable; An unreasonable...

Definitions

  1. The state of being unreasonable; An unreasonable...

Ancestry of “unreasonableness”, step by step

StepLanguageWordMeaning
1EnglishunreasonableWithout the ability to reason; unreasoning; Not...
2EnglishreasonA cause
3Middle Englishresounresound; reason
4Anglo-NormanraisunAlternative form of reson
5Old Frenchresonlogic, logical reasoning
6Latinratiōreason, reasoning, explanation, ground, motive, rationality, rationale, purpose
7Latin-tiōtion, -ation, -ing
8Latindissertātiō(spoken) dissertation, discourse, disquisition
9Latindissertusarranged, disposed; explained
10Latindissereresecond-person singular future passive indicative...
11Latindis-asunder, apart, in two; reversal, removal;...
12Latincalceusshoe
13Latincalxlimestone; chalk; the finish line
14Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

Words derived from “unreasonableness

Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-
unreasonableness — Etymology, Origin & Word History | Etymology Explorer